Centering cap for a prosthetic hip stem



FIG. 1 is a perspective view of a centering cap for a prosthetic hip stem showing my new design;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a cross-sectional view thereof taken along lines 4--4 of FIG. 3;

FIG. 5 is a top plan view thereof taken in the direction of lines 5--5 of FIG. 3;

FIG. 6 is a lateral side view thereof;

FIG. 7 is a cross-sectional view thereof taken along lines 7--7 of FIG. 3; and,

FIG. 8 is a cross-sectional view thereof taken along lines 8--8 of FIG. 5.

The broken lines in FIG. 1 showing a representative hip prosthesis are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a centering cap for a prosthetic hip stem, as shown and described. 